Keil is derived from Germanic origins. The name is of the meaning clumsy person. The name Keiler is a variant of Keil. Keil is rarely used as a baby name for boys.
Definition of flapjack for English Language Learners. : a thick, sweet cake made of oatmeal usually with molasses or honey.
What's a flapper? A flapper is a rubber mechanism in your toilet tank that is the moving part of the flush valve, sealing water into the tank and allowing water to exit the tank when you flush. Flappers deteriorate over time as a result of in-tank cleaning products and chemicals used by utilities.